@misc{indiciaeb9a984bc1cbd,
  title = {Radon-222 concentrations in ground water and soil gas on Indian reservations in Wisconsin},
  author = {John F. DeWild and James T. Krohelski},
  year = {1995},
  doi = {10.3133/wri954088},
  url = {https://pubs.usgs.gov/publication/wri954088},
  note = {Source identifier: wri954088}
}